[Philip jumps, and then turns around. Way too many people in this place remind him of his mother and her weird habits. He sighs and scratches his head.]

It's rude to surprise people like that...

[He pockets the phone and shifts his book out from under his arm.

I think I'll stick with Najimi-san, if that's all right. My name is Philip.

[Might as well get the introductions out of the way.]